Learn more

SHEFFIELD GEORGE HARRISON

Overview
  • Total Patents
    14
About

SHEFFIELD GEORGE HARRISON has a total of 14 patent applications. Its first patent ever was published in 1898. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets transport are UNKEL & MEYER, DOUBLE BODY BOLSTER CO and NAT CASTINGS INC.

Patent filings in countries

World map showing SHEFFIELD GEORGE HARRISONs patent filings in countries
# Country Total Patents
#1 United Kingdom 12
#2 Canada 1
#3 United States 1

Patent filings per year

Chart showing SHEFFIELD GEORGE HARRISONs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport

Focus technologies

Top inventors

# Name Total Patents
#1 Sheffield George Harrison 14
#2 Twinberrow James Denis 13
#3 Company F R Rand And 1

Latest patents

Publication Filing date Title
GB191008846A Improvements in Axle-box Guards for Vehicles.
GB190914147A Improvements in and connected with Bogies for Rolling Stock.
GB190913743A Improvements in Buffers for Rolling Stock.
GB190805769A Improvements in and relating to the Underframes of Railway Vehicles.
GB190718592A Improvements in Bogies for Railway Vehicles.
GB190714761A Improvements in and connected with Mechanism for Operating the Sliding Doors of Self-discharging Railway and other Wagons.
GB190521274A Improvements in and connected with Railway and like Hopper Wagons.
US748221A Door and apparatus therefor for use upon hopper-wagons.
GB190226594A Improvements in the Construction of Railway Freight Wagons and in the Bogies Employed therewith.
GB190219446A Improvements in connection with Doors and the Apparatus therefor, for use upon Hopper Wagons.
GB189902320A A Means for Equalizing the Pressures on the Buffers of Rolling Stock, and for Effecting the Coupling of Vehicles through the Agency of the Buffers.
GB189807878A Improvements in the Construction of Rolling Stock for Railways, particularly in connection with Wagons for Mineral Traffic and the like.
GB189807320A Improvements in the Construction of Self-lubricating Steam Engines.
CA224941A Railway rolling stock